MGK PULLIN' UP??? TMZSports.com
Those taking the PCH to catch Friday's SLS better be prepared for Machine Gun Kelly -- Nyjah Huston tells TMZ Sports he's expecting MGK to perform a wild show at the Street League Skateboarding event!!
The competition officially kicks off at the Santa Monica Pier in just a few hours -- at 1:30 PM PT, to be exact -- and while most fans will come to watch Huston and other skaters throw down tricks ... the Olympic bronze medalist told us they're going to get a treat from MGK once they arrive as well.